Michigan State University Extension
Ornamental Plants plus Version 2.0 - 00001208
01/01/98
Hardiness Zones: 4 to 8 Height: 40 ft Spread: 30 ft Form: oval Type: deciduous tree Annual Growth Rate: 12 to 18 inches Flowers: White
Comments: Callery Pear cultivars are excellent flowering trees. The flowers are white and appear in early spring. The fall color starts as a deep purple then becomes red. Some of the cultivars are susceptible to fire blight.
Cultivars:
'Aristocrat' - Wider branch angles make this the widest
cultivar and less susceptible to storm damage.
Unfortunately, it is susceptible to fire blight.
'Autumn Blaze' - One of the hardiest cultivars and the
earliest to develop fall color. Susceptible to
fire blight.
'Bradford' - An oval tree with a branching structure
that is susceptible to storm damage.
'Bursnozam' (Burgundy Snow TM) - White flowers with
burgundy centers, a heavy bloomer.
'Capital' - A columnar tree only 12 feet wide.
'Chanticleer' ('Cleveland Select', 'Glen's Form') - A
narrowly pyramidal tree about 15 feet wide.
'Cleprizam' (Cleveland Pride TM) - A pyramidal tree
with salmon-pink juvenile foliage.
'Edgewood' - Silvery green foliage is the trait that
distinguishes this cultivar from other Callery Pears.
'Fauriei' - Slower growing than other cultivars.
'Fronzam' (Frontier TM) - A hardy cultivar with an
upright shape.
'Gladzam' (Gladiator TM) - A vigorous cultivar with a
pyramidal habit.
'Mepozam' (Metropolitan TM) - A broadly pyramidal tree
with a height of about 45 feet and width of 35 feet.
'Redspire' - A dense. pyramidal tree with abundant
white flowers.
'Trinity' - An oval to rounded form, slightly smaller
than other cultivars.
'Valzam' (Valiant TM) - An upright to pyramidal form
with a height of about 30 feet and spread of 20 feet.
'Whitehouse' - A U. S. National Arboretum selection
with a narrow pyramidal crown and early fall color
development.
References for Cultivars: J. Frank Schmidt and Son 1997, Monrovia Nursery Company 1995, Lake County Nursery 1997, Princeton Nurseries 1997, Bailey Nurseries 1997, Monrovia Nursery Company 1997, Ray Wiegand's Nursery 1997, Wayside Gardens 1996, Moller's Nursery 1997, Studebaker Nurseries 1998.